NextNav officer lists $1.1M in stock for potential sale

Rhea-AI Filing Summary

NEXTNAV INC. (NN) has a notice under Rule 144 filed by officer Mariam Sorond covering potential sales of up to 69,853 shares of common stock, held through restricted stock units and to be sold via Morgan Stanley Smith Barney LLC. The shares have an indicated aggregate market value of $1,108,567.11, compared with 168,809,910 shares of common stock outstanding. A prospective sale date of September 1, 2026 is listed, and prior 10b5‑1 plan sales over the last three months totaled 2,830 shares for $51,877.86.

Key Figures

Shares covered by Rule 144 notice: 69,853 shares Aggregate market value of shares: $1,108,567.11 Shares outstanding: 168,809,910 shares +3 more

6 metrics

Shares covered by Rule 144 notice 69,853 shares Common stock related to Restricted Stock Units listed for potential sale

Aggregate market value of shares $1,108,567.11 Value of 69,853 shares of common stock in the securities information section

Shares outstanding 168,809,910 shares Common stock outstanding for NEXTNAV INC.

Prospective sale date 09/01/2026 Date listed in the securities information section for potential sales

Recent 10b5-1 shares sold 2,830 shares Common stock sold on 06/16/2026 under a 10b5-1 plan

Proceeds from recent 10b5-1 sales $51,877.86 Total for 2,830 shares sold on 06/16/2026

Key Terms

Rule 144, Restricted Stock Units, 10b5-1

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Units financial

"Common | 08/29/2026 | Restricted Stock Units | Issuer"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

10b5-1 regulatory

"10b5-1 Sales for MARIAM SOROND 11911 Freedom Dr."

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

FAQ

What does the Form 144 filing for NEXTNAV INC. (NN) disclose?

The filing discloses that officer Mariam Sorond has filed a Rule 144 notice for potential sales of up to 69,853 shares of NEXTNAV INC. common stock, held via restricted stock units and to be sold through Morgan Stanley Smith Barney LLC, with an indicated value of $1,108,567.11.

How many NEXTNAV INC. (NN) shares are covered by this Rule 144 notice?

The notice covers up to 69,853 shares of NEXTNAV INC. common stock. These shares relate to Restricted Stock Units and are listed for potential sale, with a prospective sale date of September 1, 2026 noted in the filing.

What is the indicated market value of the NEXTNAV INC. (NN) shares in the Form 144?

The Form 144 lists an aggregate market value of approximately $1,108,567.11 for the 69,853 NEXTNAV INC. common shares covered by the notice, based on the price information used in the filing’s securities information section.

How many NEXTNAV INC. (NN) shares are outstanding according to this filing?

The filing states that there are 168,809,910 shares of NEXTNAV INC. common stock outstanding. This figure serves as context for the potential Rule 144 sales and is separate from the 69,853 shares covered by the notice.

Were there any recent 10b5-1 plan sales by the person in this NEXTNAV INC. (NN) Form 144?

Yes. The filing lists 10b5‑1 sales for Mariam Sorond of 2,830 shares of NEXTNAV INC. common stock on June 16, 2026, for total proceeds of $51,877.86 over the past three months.

What type of securities are involved in the NEXTNAV INC. (NN) Form 144 filing?

The securities are common stock of NEXTNAV INC., related to Restricted Stock Units. The planned sales are to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, as identified in the securities information section.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/01/2026 - 04:42 PM Accepted by SEC EDGAR 09/01/2026 - 04:41 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001998558
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	NextNav Inc.
SEC File Number	001-40985
Address of Issuer	11911 Freedom Dr., Ste. 200 Reston VIRGINIA 20190
Phone	8007750982
Name of Person for Whose Account the Securities are To Be Sold	MARIAM SOROND
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	69853	1108567.11	168809910	09/01/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/29/2026	Restricted Stock Units	Issuer			69853	08/29/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for MARIAM SOROND 11911 Freedom Dr., Ste. 200 Reston VA 20190	Common	06/16/2026	2830	51877.86

144: Remarks and Signature

Remarks
Date of Notice	09/01/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/22/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Mariam Sorond
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)